Sierra Madre, CA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Sierra Madre, a city in Los Angeles County, California.
This Afternoon
87°F
Sunny
Sunny, with a high near 87. South southwest wind around 5 mph.
7-day forecast for Sierra Madre
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 87°F | Sunny | 5 mph SSW | 0% |
| Tonight | 60°F | Partly Cloudy | 0 to 5 mph SSE | 0% |
| Sunday | 85°F | Mostly Sunny | 0 to 5 mph S | 0% |
| Sunday Night | 59°F | Patchy Fog | 0 to 5 mph S | 2% |
| Monday | 81°F | Mostly Sunny | 5 mph SSW | 2% |
| Monday Night | 57°F | Mostly Clear | 0 to 5 mph S | 0% |
| Tuesday | 81°F | Sunny | 0 to 5 mph SSW | 0% |
| Tuesday Night | 63°F | Mostly Clear | 0 to 5 mph NNE | 0% |
| Wednesday | 89°F | Sunny | 0 to 5 mph WNW | 0% |
| Wednesday Night | 66°F | Mostly Clear | 0 to 5 mph SE | 0% |
| Thursday | 91°F | Sunny | 0 to 5 mph SSE | 0% |
| Thursday Night | 67°F | Mostly Clear | 0 to 5 mph SSE | 0% |
| Friday | 89°F | Sunny | 0 to 5 mph SSE | 2% |
| Friday Night | 66°F | Mostly Clear | 0 to 5 mph SE | 1% |
Forecast source: National Weather Service (api.weather.gov) for Sierra Madre (34.169, -118.050). Updated through the day.
Growing snapshot for Sierra Madre
Last spring frost
Apr 28
First fall frost
Nov 15
Growing season
199 days
Hardiness zone
10a
More local growing data for Sierra Madre: nearby ZIP 91024 weather · frost dates · planting calendar · California frost dates
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Climate data from the nearest NOAA station, Mt Wilson Cbs, Ca (4.1 mi from Sierra Madre). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.